scoring rules, five stages are defined: awake, REM, and three types of non-REM sleep.4 The non-REM stages include stage N1 (light or transitional sleep), st...

https://www.apple.com/jp/healthcare/docs/site/Estimating_Sleep_Stages_from_Apple_Watch_Sept_2023.pdf

Overview 3 Introduction 4 Hearing Test Feature 5 Technical and Feature Description ...........................................................................

https://www.apple.com/jp/health/pdf/Hearing_Health_Features_on_AirPods_Pro_2_October_2024.pdf

in Products Restrictions in Section 3 apply to all homogeneous materials used in Apple products, accessories, and packaging. Substances and their respective...

https://www.apple.com/jp/environment/pdf/Apple_Regulated_Substances_Specification_Sept2018.pdf